Home / 331,360.79-457,296.17-195,474.38

Finding the Fourth Proportional to 331,360.79, 457,296.17 and 195,474.38

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Solution

The fourth proportional to 331,360.79, 457,296.17 and 195,474.38 is: 269,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,360.79 : 457,296.17 = 195,474.38 : x
  2. Step 2: Convert to fraction form
    331,360.79/457,296.17 = 195,474.38/x
  3. Step 3: Cross multiply
    331,360.79x = 457,296.17 × 195,474.38
  4. Step 4: Simplify right side
    331,360.79x = 89,389,682,043.27
  5. Step 5: Solve for x
    x = 89,389,682,043.27/331,360.79
  6. Step 6: Final answer
    x = 269,765.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.